3125592649 has 9 divisors (see below), whose sum is σ = 3214478631. Its totient is φ = 3039104520.

The previous prime is 3125592629. The next prime is 3125592661. The reversal of 3125592649 is 9462955213.

The square root of 3125592649 is 55907.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2796823225 + 328769424 = 52885^2 + 18132^2 .

It is not a de Polignac number, because 3125592649 - 2¹⁵ = 3125559881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3125592599 and 3125592608.

It is not an unprimeable number, because it can be changed into a prime (3125592629) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2067804 + ... + 2069314.

Almost surely, 2^3125592649 is an apocalyptic number.

3125592649 is the 55907-th square number.

3125592649 is the 27954-th centered octagonal number.

It is an amenable number.

3125592649 is a deficient number, since it is larger than the sum of its proper divisors (88885982).

3125592649 is an frugal number, since it uses more digits than its factorization.

3125592649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 1548 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The cubic root of 3125592649 is about 1462.1012854612.

It can be divided in two parts, 31255 and 92649, that added together give a square (123904 = 352²).

The spelling of 3125592649 in words is "three billion, one hundred twenty-five million, five hundred ninety-two thousand, six hundred forty-nine".